5091817 has 2 divisors, whose sum is σ = 5091818. Its totient is φ = 5091816.

The previous prime is 5091803. The next prime is 5091833. The reversal of 5091817 is 7181905.

5091817 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3701776 + 1390041 = 1924^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 5091817 - 2⁷ = 5091689 is a prime.

It is a super-2 number, since 2×5091817² = 51853200722978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5091847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545908 + 2545909.

It is an arithmetic number, because the mean of its divisors is an integer number (2545909).

Almost surely, 2^5091817 is an apocalyptic number.

It is an amenable number.

5091817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091817 is an equidigital number, since it uses as much as digits as its factorization.

5091817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 5091817 is about 2256.5054841502. The cubic root of 5091817 is about 172.0379513335.

The spelling of 5091817 in words is "five million, ninety-one thousand, eight hundred seventeen".